.Arm and Hammer KA18X18X1 18 x 18 x 1 Arm and Hammer Air Filter Pack of 2 ARM and HAMMER Air Filters are designed to trap airborne particles like pollen, dust, pet dander, and a variety of other common airborne allergens.
Travel Distance2 Piece Molded Design With Lubricated Seals For Easier Movement For The Life Of The Product2 O-Rings To Prevent LeakageCan Be Installed Vertically Or HorizontallyDimension - 7.